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S > SANYO  > MBC 4000 - MBC 4050   

MBC 4000 - MBC 4050

The Sanyo MBC-4000 series succeeded to the MBC-1150. It was the same all-in-one system including one (MBC-4000) or two (MBC-4050) 5.25" floppy drives, a monochrome display and a very complete keyboard.

It featured a true 16-bit Intel 8086 CPU and shipped with the CP/M-86 operating system as well as a Basic interpreter and a spreadsheet called Goal.
MS-DOS 2.11 was also available on this machine.

Thanks to John Papadopoulos's site for the picture.

We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.



I remember the 4050 well. Top of Sanyo''s range of computers at the time. 640K RAM if I remember rightly$ sold at the time for around £2500- 3000 in UK I think$ Not many were sold though. May well have been supplied with Wordstar, Calcstar $ Datastar applications free of charge. It was first "real" computer I had access to (one at the office one at home). Well as Ad Manager for Sanyo at the time I had to know how to use the darned things in order to write the leaflets!

Saturday 8th December 2012
Helen (United Kingdom)

I recently aquired a complete mbc 4050, stripped it, cleaned and serviced the drives, reseated all ic''s ,and now this has to be the best,and quickest cp/m machine in my collection, and so quiet in use, the drives will read the disks almost instanty,and quietly, superb piece of engineering!
but why did they make the keyboard so big??

Saturday 14th March 2009
Harry  (uk)

I own one of these. When time allows later this year I'll post some info.

Tuesday 28th March 2006
Dave (UK)


NAME  MBC 4000 - MBC 4050
TYPE  Professional Computer
YEAR  1982
KEYBOARD  Typewriter type, 100 keys with numeric keypad, 15 function keys and arrow keys
CPU  Intel 8086
SPEED  Unknown
RAM  128 KB up to 384 KB
ROM  16 KB
TEXT MODES  80 chars. x 25 lines
COLORS  Monochrome, green phosphore
SOUND  Beeper
SIZE / WEIGHT  Unknown
I/O PORTS  Serial RS232, Parallel
BUILT IN MEDIA  1 (MBC-4000) or 2 (MBC-4050) 5.25'' 640 KB FDD
OS  CP/M 86, MS-DOS 2.11
PRICE  From 5,500

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